Spherical相关论文
Preparing titanium dioxide from titania-rich slag(TiO2 73wt%) by molten NaOH method has been developed.The effects of te......
Based on wide-band infrared(IR) light source and dual-channel pyroelectric detector with detection channel of 4.66 μm a......
With the increasing number of laser beams, the main difficulty in arranging beam guiding systems(BGSs) involves determin......
目的探讨以KR-1W像差仪测量年龄相关性白内障患者的角膜球面像差。方法对年龄相关性白内障142例(200眼),采用KR-1W像差仪分别测量其......
Soil organic carbon (SOC) has great impacts on global warming, land degradation and food security. Classic statistical a......
The experimental study and analysis of a novel multi-media plate heat exchanger were performed in this paper.This novel ......
以抗坏血酸为还原剂,一定条件下还原硫酸铜氨溶液可以得到微米级球形铜粉。样品经X-射线衍射和扫描电子显微镜测定,并探讨了反应机......
A Schwarzschild microscope with a numerical aperture of 0.2 and a magnification of 130 in a 100μm field of view(FOV)is ......
In this paper,the effects of hardening exponent,yield strength and elastic modulus on the deformability of near hemisphe......
This review article summarizes the advances in the surface stress effect in mechanics of nanostructured elements,includi......
目的提高A向蓝宝石抛光速率。方法分别采用诱导法和种子法制备了非球形和球形钴掺杂硅溶胶,并应用于A向蓝宝石的化学机械抛光。采......
The recent annual output of major industrial mineral powders in the mainland of China has been more than 100 million t, ......
The correlation between shape and size of linear chains on the simple cubic lattice is investigated using a dynamicMont......
The original idea and shaping principle of locus shaping method for processing the aspheric optical parts are introduced......
Wave front healing is a common natural phenomenon.To further investigate wave front healing,we simulated wave propagatio......
General QR decomposition of the observation matrix is used to solve identification functions to evaluate identification ......
Parameter optimization for a novel 3-DOF hybrid mechanical arm was presented by using a statistics method called the sta......
γ-Fe2O3 nanoparticles were successfully synthesized by a chemically induced transformation of α-FeOOH.In this method,t......
Impact of bending dies with different friction forms on forming force and quality of tubes manufactu
In the 3D free bending forming system,the bending die can be designed either in a sliding type or rolling friction type.......
Deformation mechanism and forming properties of 6061Al alloys during compression in semi-solid state
The 6061 semi-solid aluminium alloy feedstocks prepared by near-liquidus casting were compressed in semi-solid state by ......
The precipitation kinetics of AlN and MnS in low carbon aluminium-killed steel was calculated.Transmission electron micr......
Inertial confinement fusion targets are complex systems designed to allow fine control of temperature and pressure for m......
On March 22, a donation ceremony of the Japanese porcelain artwork the “Blue Planet of Human Life”was held in the Peace......
A new spherical mobile robot BHQ-1 is designed. The spherical robot is driven by two internally mounted motors that indu......
Fuzzy clustering has been used widely in pattern recognition, image processing, and data analysis. An improved fuzzy clu......
A particular emphasis is put on a novel wearable exoskeleton arm,ZJUESA,with 6 degrees of freedom,which is used for the ......
The six-component force/torque sensor has become one kind of the most important sensors with the ability of measuring al......
A novel structure of a spherical robot with retractable arms was presented in order to fulfill the requirements of omni-......
Parallel manipulators with less than six degrees of freedom (DOF) have been increasingly used in high-speed hybrid machi......
A magnetic field sensor with a magnetic fluid(MF)-coated intermodal interferometer is proposed and experimentally demons......
目的 调查我国白内障人群角膜前表面球差的分布特点,探讨年龄、角膜散光、角膜非球面Q值、平均角膜曲率及眼轴长度等因素是否对角......
We present some new methods for parameterizing the triangle mesh surface (TMS) which result from the Marching Cubes (MC)......
Preparation of Fine Spherical Particle Sized Ceria by Precipitation Method with Ammonium Bicarbonate
Fine spherical particle sized ceria (CeO2) was prepared by homogeneous precipitation method with ammonium bicarbonate as......
利用气液接触法成功合成出了形状规则的球形氢氧化镁,并用X射线衍射仪(XRD)、热重(TG-DTG)、扫描电镜(SEM)和激光粒度仪表征了所得......
基于实际用法和大规模语料,对人造物名词“纸”进行属性义知识抽取,构建属性义知识本体,这在词义知识资源建设、自动句法分析、认......
介绍了壳聚糖-乙酸溶液制备交联球形壳聚糖树脂的方法,考察了各种制备因素对产品性能的影响,得到了较为合适的反应条件.产品溶酸性......
主要讨论了制备工艺条件对球形氢氧化镍密度的影响。通过试验,找到了制备高密度球形氢氧化镍的最佳条件。......
将苯酚和甲醛在碱性条件下聚合,然后在酸性条件下与软模板剂F127自组装形成中间相,经高温煅烧合成球形微-介双阶多孔炭。通过扫描......
利用压缩空气式喷雾装置制备了超细球形化六硝基六氮杂异伍兹烷(CL-20)颗粒,对样品的形貌、颗粒和晶型进行了表征,对其热安定性进行了......
当今光学仪器中,大都使用球面透镜,而这种透镜易形成较大像差,非球面透镜能够克服球面透镜的缺点,具有很高的实用价值.本文给出了......
针对缺少调心滚子轴承外滚道精研设备的现状,对原有深沟球轴承精研机3MZ3210进行了改造,使之适合精研调心滚子轴承外滚道,达到了产......
硝酸-水(溶剂非溶剂法)重结晶β-HMX,通过优化工艺条件,制备出高能低感的球形化HMX晶体颗粒。实验结果表明,撞击感度与重结晶工艺密切相......
微米级球形无机化合物已成为功能材料的重要组成部分。综合评述了微米级球形无机化合物的制备方法及工艺,并对其未来发展趋势进行了......
综述了近年来锂离子电池用正极材料球形LiFePO4的制备方法:原位碳包覆固相法、控制结晶法及喷雾热解法。对球形LiFePO4的发展趋势及......
用碳酸盐共沉淀法制备了正极材料LiNi0.8Co0.20-xAlxO2(x=0.05、0.10和0.15)。Ni-Co-Al的碱式碳酸盐与LiOH·H2O混合,在700~800℃......
大气湍流光束漂移会降低大气光通信系统的性能。把大气湍涡建模为三维空间中随机分布的空气球泡,其折射率和尺寸分别服从正态分布......
目的探讨球形肺炎的影像学特点.方法对33例经临床或病理确诊的球形肺炎进行回顾性分析.结果球形肺炎X线主要表现:(1)圆形或椭圆图......
采用醋酸钙和碳酸钠为原料。在反应温度为5℃和柠檬酸三钠质量百分浓度为15%的条件下,采用沉淀法合成出了粒度为1-4μm、分散性好的......
棉短绒是生产钞票纸、证券纸、过滤纸、化纤浆、精制棉等的优质原料,棉短绒的蒸煮是制浆生产中的重要工序。蒸煮的作用是棉短绒在高......
Using CaCO3, metal oxides (all dissolved by nitric acid) and tetraethoxysilane Si (OC2H5 )4 (TEOS) as the main starting ......